NumBer 5 (March 4, 1941) 
The fossil Flora of lowa Coal Balls: IV. Lepidocarpon 
By Wititiam C. DaRRAH ........ . . 85 
NuMBER 6 (March 14, 1941) 
The Meaning and Usage of the Mexican Place-name 
‘*Chinantla’’ 
By Ricuarp Evans SCHULTES ....... 101 
Number 7 (March 21 1941) 
Plantae mexicanae IX: Aechmea magdalenae and 
its Utilization as a Fibre Plant 
By Ricnharp Evans ScHULTES .... . . . 117 
The Genus Papperitzia 
By Louis O. WiniiamMs ......... . 128 
Nomenclatorial Notes XIII 
By CHARLES SCHWEINFURTH ...... . . 128 
NuMBER 8 (April 4, 1941) 
The Genus Ponera 
By Donovan S. CorreLL . . . . .. . . . 129 
Two new American Orchids 
By Donovan S. Correti . ....... . 152 
NuMBER 9 (May 1, 1941) 
Plantae mexicanae X: New or critical Species from 
Oaxaca 
By Ricoarp Evans ScHULTES ...... . 165 
NuMBER 10 (June 4, 1941) 
Orchidaceae peruvianae I] 
By CHARLES SCHWEINFURTH . . . . . . . . 217 
Nomenclatorial Notes XIV 
By CHARLES SCHWEINFURTH 
[ vi ] 
bo 
Gr 
oii 
